Calculate the number of moles in 15 liters of oxygen at STP.

How many moles of aluminum oxide are formed from 10.3 moles of Aluminum?

Explain the difference between weight and mass.

Which element (s) are not balanced in this equation? Fe2O3 + 3 CO → Fe + 3 CO2 A. Only the Fe is unbalanced. B. Only the O is unbalanced C. Fe and O are both unbalanced. D. C and O are both unbalanced

What bonds to cytosine (C) in DNA.

Is heating sulfur and copper a physical or chemical change?

A student has 2.99 g of Potassium Permaganate. How many mL of a. 532 M solution can the student make? How does one solve this?

Which statement is true according to the kinetic theory? 1. Moles of different gases with the same mas and temperature always have the same average density. 2.

A substance with a pH of 9 has A) no H30 + ions or OH - ions. B) more H30 + ions than OH - ions. C) more OH - ions than H30 + ions. D) the same number of H30 + ions as it does OH - ions.

Consider the following quantities used in thermodynamics: E, H, q, w, S, G. How many of them are state functions? a. 2 b. 0 c. 3 d. 1 e. 4

What are some good problem statements